You'll want to browse the collections at Glinka National Museum Consortium of Musical Culture, Gulag History Museum, and K. Timiryazev State Biological Museum. Some landmarks that you won't want to miss include Cathedral of the Immaculate Conception, Yeliseyev Grocery Store, and Central Academic Theatre of the Russian Army. You can catch a show at Tchaikovsky Concert Hall, Hermitage Moscow Theater, and Tik Tak Theater.